In 1999 Ironwood™ Guardrail was accepted by the FHWA as a NCHRP-350 Test Level Three Highway Barrier. In 2006 Ironwood™ was approved as an equal to the FHWA Steel Backed Timber Rail Design. It can be found in the TF-13, AGC, ARTBA, AASHTO.
PO Box 233
Clinton, NY 13323